Mary is exposed to a virus when she touches a telephone recently touched by some

Question

Mary is exposed to a virus when she touches a telephone recently touched by someone who has a cold. Which feature of Mary's immune system will protect her? Thymus cells Red blood cells T cells B cells John is looking for a wife. He wants a partner who has a similar background in matters such as education and religious upbringing Which of the following mate selection strategies is John using? Trait sorting Heterogeneity Homogamy Exchange theory How does the social clock in U. S culture affect the age at which women have children in the 21st century? Women are more likely to remain single but still bear children. Many believe that people should be socially and economically stable before bringing children into the world. Many believe that it is even more important to find a husband who is financially stable now than in the 20th century. The average age at which a woman delivers her first child is now almost 30. Which of the following is likely to contribute to a ma

Explanation / Answer

Mary is exposed to a virus when she touches a telephone recently touched by someone who has a cold. Which feature of Mary's immune system will protect her?

Ans):      B-cells

B cells also known as B lymphocytes, are a type of white blood cell of the lymphocyte subtype.They function in the humoral immunity component of the adaptive immune system by secreting antibodies.

John is looking for a wife. He wants a partner who has a similar background in matters such as education and religious upbringing. Which of the following mate selection strategies is John using?

Ans): Homogamy

Homogamy from a sociologist's standpoint is marriage and mating with a person of a similar socioeconomic status, ethnicity, race, age, education level, and/or religion. It is often a subconscious and natural manner of choosing marriage and sexual mates. Homogamy is a form of assortative mating, which is a type of sexual selection, in which a person chooses a sexual mate with similar genotypes and phenotypes to themselves, more often than choosing a mate with different ones.

How does the social clock in U.S. culture affect the age at which women have children in the 21st century?

Ans): Many believe that people should be socially and economically stable before bringing children into the world.

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